How to Hide the "Recent Post Slider" Admin Menu

function plt_hide_wp_responsive_recent_post_slider_menus() {
	//Hide the "Recent Post Slider" menu.
	remove_menu_page('wprps-post-slider');
}

add_action('admin_menu', 'plt_hide_wp_responsive_recent_post_slider_menus', 1000);

Where do I put this code?